These APC 4D 3D Slow Fly props are the solution to a light weight yet rigid prop ideal for fast reverse rotatinal direction for the hard core 3d/4D pilot. We've tested these props with our 18A reverser ESC and they are just great.
APC worked their magic and created a durable light weight well balanced and accurate props perfect for any Twisted Hobbys models. Hub diameter is a true 5.5 mm that will fit to any of our TWM or Crack Series out runner motors.
Hub Thickness: 0.16 in.
Shaft/Hub Diameter: 5.5 mm
Product Weight: 0.18 oz.